Added June 6, 2014: Users please be advised that an updated version of "HIPPO Pressure-Weighted Mean Total, 10-km, and 100-m Interval Column Concentrations" was posted today. Changes were made to the the HIPPO_profiles_100m_intervals_ 20140519.tbl file. The GGLON values for 9 profiles were updated. Nine individual longitude values close to +/- 180 degrees were changed. No latitude changes. The other four files in this data set have not changed. Changes are described in the User's Guide documentation.